Laser processing method for sand covering of surface of glass material

Abstract

The invention belongs to the technical field of laser microprocessing, and particularly provides a laser processing method for sand covering of the surface of a glass material. A drawing document of aspecific pre-processing disordered dot matrix bitmap is drawn and guided into a laser controller, the laser controller controls laser beams to carry out scanning and ablation along the drawing document according to the path of the disordered dot matrix bitmap, random dot irradiation of the beams onto the disordered dot matrix bitmap is achieved by adjusting the focusing positions of the light beams and processing parameters of a laser device, and therefore the sand covering effect is achieved on the surface of a to-be-processed workpiece. Specific laser device parameters are combined with a software bitmap disordered dotting mode, laser grain generated on the surface of the glass workpiece after processing can be effectively controlled, and meanwhile roughness and transmittance of the sample surface are guaranteed by laser spots under a certain overlapping rate; and in addition, the laser processing manner is adopted, the influence on glass strength is small, and the environment cannot be polluted.

Description

technical field [0001] The invention belongs to the technical field of laser microprocessing, and in particular relates to a laser processing method for frosting the surface of a glass material. Background technique [0002] With the advent of the 5G era, the requirements for the appearance and basic functions of mobile phones are increasing. The appearance design of mobile phones has changed from the original style of metal, plastic, ceramics, glass, etc. to a unified glass-based design. With the application and popularization of touch screens and the increasing functionality of glass materials, mobile phone glass is widely used because of its high strength, high hardness, scratch resistance, effective reduction of signal interference and excellent impact resistance Smartphones, tablets, etc. The panel is made of metal material, which can easily absorb electromagnetic waves and block the transmission and reception of signals. The glass back cover is not only economically ...

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the existing problems of physical sandblasting and chemical corrosion in the prior art, that is, after physical sandblasting, the strength of the workpiece is greatly affected, and the chemical sandblasting pollutes the environment, etc., and to improve the current laser processing using a linear filling method There are texture defects

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